[INFO] fetching crate bson 1.0.0...
[INFO] testing bson-1.0.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate bson 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bson 1.0.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bson 1.0.0
[INFO] finished tweaking crates.io crate bson 1.0.0
[INFO] tweaked toml for crates.io crate bson 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate bson 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e052fb5e5a9663e47cec72aa606bf6f9560a33235a2db5b0de740f2ac29f405b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e052fb5e5a9663e47cec72aa606bf6f9560a33235a2db5b0de740f2ac29f405b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e052fb5e5a9663e47cec72aa606bf6f9560a33235a2db5b0de740f2ac29f405b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e052fb5e5a9663e47cec72aa606bf6f9560a33235a2db5b0de740f2ac29f405b", kill_on_drop: false }`
[INFO] [stdout] e052fb5e5a9663e47cec72aa606bf6f9560a33235a2db5b0de740f2ac29f405b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ef3ddbe73a367bffe998f2f9c9e6dc92afd25f9158e493d98cc8c16a468ff6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ef3ddbe73a367bffe998f2f9c9e6dc92afd25f9158e493d98cc8c16a468ff6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling bson v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.52s
[INFO] running `Command { std: "docker" "inspect" "7ef3ddbe73a367bffe998f2f9c9e6dc92afd25f9158e493d98cc8c16a468ff6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef3ddbe73a367bffe998f2f9c9e6dc92afd25f9158e493d98cc8c16a468ff6f", kill_on_drop: false }`
[INFO] [stdout] 7ef3ddbe73a367bffe998f2f9c9e6dc92afd25f9158e493d98cc8c16a468ff6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2aa8896f688b3954bcd9d2f5a66aefe4c41d7311b20c41847169c8eab9ae6a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c2aa8896f688b3954bcd9d2f5a66aefe4c41d7311b20c41847169c8eab9ae6a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling serde_bytes v0.11.3
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling bson v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> tests/spec/corpus.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |                         std::mem::replace(s, fixed_string);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.24s
[INFO] running `Command { std: "docker" "inspect" "c2aa8896f688b3954bcd9d2f5a66aefe4c41d7311b20c41847169c8eab9ae6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2aa8896f688b3954bcd9d2f5a66aefe4c41d7311b20c41847169c8eab9ae6a8", kill_on_drop: false }`
[INFO] [stdout] c2aa8896f688b3954bcd9d2f5a66aefe4c41d7311b20c41847169c8eab9ae6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97e5e018a5c44b7155cc137ffea969372f9c70349566b8894fbad71c8b0cd5bb
[INFO] running `Command { std: "docker" "start" "-a" "97e5e018a5c44b7155cc137ffea969372f9c70349566b8894fbad71c8b0cd5bb", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> tests/spec/corpus.rs:111:25
[INFO] [stderr]     |
[INFO] [stderr] 111 |                         std::mem::replace(s, fixed_string);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bson-2fd1f0019dd7a76d
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test oid::test_debug ... ok
[INFO] [stdout] test oid::test_display ... ok
[INFO] [stdout] test oid::count_generated_is_big_endian ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-1848b70beb61657d
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test modules::bson::document_default ... ok
[INFO] [stdout] test modules::macros::non_trailing_comma ... ok
[INFO] [stdout] test modules::oid::counter_increasing ... ok
[INFO] [stdout] test modules::oid::oid_equals ... ok
[INFO] [stdout] test modules::oid::string_oid ... ok
[INFO] [stdout] test modules::ordered::entry ... ok
[INFO] [stdout] test modules::bson::bson_default ... ok
[INFO] [stdout] test modules::macros::standard_format ... ok
[INFO] [stdout] test modules::bson::from_impls ... ok
[INFO] [stdout] test modules::bson::timestamp_ordering ... ok
[INFO] [stdout] test modules::oid::byte_string_oid ... ok
[INFO] [stdout] test modules::bson::to_json ... ok
[INFO] [stdout] test modules::oid::oid_not_equals ... ok
[INFO] [stdout] test modules::macros::recursive_macro ... ok
[INFO] [stdout] test modules::ordered::test_getters ... ok
[INFO] [stdout] test modules::ser::floating_point ... ok
[INFO] [stdout] test modules::ser::int32 ... ok
[INFO] [stdout] test modules::ser::int64 ... ok
[INFO] [stdout] test modules::ordered::ordered_insert_shorthand ... ok
[INFO] [stdout] test modules::ordered::ordered_insert ... ok
[INFO] [stdout] test modules::ser::oid ... ok
[INFO] [stdout] test modules::ordered::remove ... ok
[INFO] [stdout] test modules::ser::boolean ... ok
[INFO] [stdout] test modules::ser::uint16 ... ok
[INFO] [stdout] test modules::ser::uint32 ... ok
[INFO] [stdout] test modules::ser::arr ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_deserialize_multiply_overflows_issue64 ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_deserialize_invalid_utf8_string_issue64 ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_deserialize_utc_date_time_overflows ... ok
[INFO] [stdout] test modules::ser::string ... ok
[INFO] [stdout] test modules::ser::uint64 ... ok
[INFO] [stdout] test modules::ser::uint8 ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_illegal_size ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_binary_generic ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_array ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_db_pointer ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_boolean ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_javascript_code ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_floating_point ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_javascript_code_with_scope ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_i32 ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_max_key ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_min_key ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_object_id ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_timestamp ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_undefined ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_symbol ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_utf8_string ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_regexp ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_utc_date_time ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_i64 ... ok
[INFO] [stdout] test modules::serializer_deserializer::test_serialize_deserialize_null ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde-c09f420031aee783
[INFO] [stdout] test spec::corpus::run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test_binary_non_generic_roundtrip ... ok
[INFO] [stdout] test test_de_regex ... ok
[INFO] [stdout] test test_ser_map ... ok
[INFO] [stdout] test test_binary_helper_non_generic_roundtrip ... ok
[INFO] [stdout] test test_de_db_pointer ... ok
[INFO] [stdout] test test_compat_u2f ... ok
[INFO] [stdout] test test_ser_datetime ... ok
[INFO] [stdout] test test_byte_vec ... ok
[INFO] [stdout] test test_de_map ... ok
[INFO] [stdout] test test_de_timestamp ... ok
[INFO] [stdout] test test_de_vec ... ok
[INFO] [stdout] test test_binary_helper_generic_roundtrip ... ok
[INFO] [stdout] test test_ser_db_pointer ... ok
[INFO] [stdout] test test_ser_code_with_scope ... ok
[INFO] [stdout] test test_binary_generic_roundtrip ... ok
[INFO] [stdout] test test_serde_tuple_struct ... ok
[INFO] [stdout] test test_ser_timestamp ... ok
[INFO] [stdout] test test_serde_tuple_variant ... ok
[INFO] [stdout] test test_ser_vec ... ok
[INFO] [stdout] test test_serde_newtype_variant ... ok
[INFO] [stdout] test test_ser_regex ... ok
[INFO] [stdout] test test_serde_bytes ... ok
[INFO] [stdout] test test_serde_newtype_struct ... ok
[INFO] [stdout] test test_de_code_with_scope ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bson
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/bson.rs - bson::DateTime (line 980) ... ok
[INFO] [stdout] test src/lib.rs - (line 147) ... ok
[INFO] [stdout] test src/macros.rs - doc (line 190) ... ok
[INFO] [stdout] test src/macros.rs - bson (line 5) ... ok
[INFO] [stdout] test src/extjson/mod.rs - extjson (line 78) ... ok
[INFO] [stdout] test src/lib.rs - (line 120) ... ok
[INFO] [stdout] test src/extjson/mod.rs - extjson (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] test src/extjson/mod.rs - extjson (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/bson.rs - bson::Bson::from_iter (line 242) ... ok
[INFO] [stdout] test src/extjson/de.rs - extjson::de (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97e5e018a5c44b7155cc137ffea969372f9c70349566b8894fbad71c8b0cd5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e5e018a5c44b7155cc137ffea969372f9c70349566b8894fbad71c8b0cd5bb", kill_on_drop: false }`
[INFO] [stdout] 97e5e018a5c44b7155cc137ffea969372f9c70349566b8894fbad71c8b0cd5bb